Publication | Open Access
Ba(Zr<sub>0.1</sub>Ce<sub>0.7</sub>Y<sub>0.2</sub>)O<sub>3–δ</sub> as an Electrolyte for Low‐Temperature Solid‐Oxide Fuel Cells
643
Citations
21
References
2006
Year
Materials ScienceSolid-state IonicElectrical EngineeringEngineeringBattery Electrode MaterialsElectrode-electrolyte InterfaceOxide ElectronicsAdvanced Electrode MaterialIonic ConductorDry-pressing MethodSolid-state ChemistryEnergy StorageBatteriesProton Conductor BaThermal StabilityElectrochemistry
The applicability of the proton conductor Ba(Zr0.1Ce0.7Y0.2)O3–δ (BZCY7) as an electrolyte material for solid-oxide fuel cells (SOFCs) is investigated. The electrolyte material exhibits ionic conductivities (see figure) among the highest known for electrolytes viable for SOFC applications, and the chemical and thermal stability of BZCY7 appear adequate under a range of SOFC operating conditions. Several BZCY7-based single cells are fabricated using a modified dry-pressing method and show encouraging performance characteristics.
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